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Ferroelectrics Volume 401, 2010 - Issue 1
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SECTION A: THEORIES, MODELING, DOMAINS, PHASE TRANSITIONS AND CRITICAL PHENOMENA

Effect of Hydrostatic Pressure on the Dielectric Response of 0.90Pb(Mg1/3Nb2/3)O3-0.10PbTiO3 Relaxor Ferroelectric Ceramic

Junjie Gao Electronic Materials Research Laboratory, Xian Jiaotong University, 28 Xian Ning Road, West Xi'an, 710049, P.R. China
,
Zhuo Xu Electronic Materials Research Laboratory, Xian Jiaotong University, 28 Xian Ning Road, West Xi'an, 710049, P.R. China
,
Chonghui Zhang Electronic Materials Research Laboratory, Xian Jiaotong University, 28 Xian Ning Road, West Xi'an, 710049, P.R. China
&
Xi Yao Electronic Materials Research Laboratory, Xian Jiaotong University, 28 Xian Ning Road, West Xi'an, 710049, P.R. China
Pages 86-91 | Received 23 Aug 2009, Accepted 15 Oct 2009, Published online: 01 Dec 2010
 
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Abstract

The hydrostatic pressure dependence of the dielectric response of 0.90Pb(Mg1/3Nb2/3) O3-0.10PbTiO3 (abbreviated to PMN-0.10PT hereafter) ceramic was studied. The effect of hydrostatic pressure shows several obvious characteristics: suppression of dielectric permittivity anomaly with −103/kbar, downward shift of Tm with −2.8 K/kbar at 10 kHz frequency and increase of ΔTm (Tm100kHz-Tm0.4kHz). Analysis of the dielectric response of the PMN-0.10PT indicates that hydrostatic pressure results in a decrease of the correlation radius rc of polar nanodomains, strengthening the glasslike character of the response.

Acknowledgments

This work is financially supported by the National Basic Research Progrom of China (973 Program) (Grant No. 2009CB23306) and the National Natural Science Foundation of China (Grant No. 60528008).

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